"Weird Al" Yankovic might be the first person to come to mind when you think of parody music, but did you know that composers like Bach, Mozart, and Satie have been parodying each other's work for centuries?

Nahre and LA explore the history of parody music from the 1700s to the YouTube parodies of today. Scott Dikkers, founding editor of The Onion, explains why humans love parody so much and why it's so hilarious. Nahre and LA compose a dance hit to the tune of the Barney theme song.